high7.1
CVE-2026-45349
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.
Impact
Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, a user just needs to use the API endpoint: /api/chat/completions with their own API key (generated in OWUI) and the Chat ID of another user to continue the conversation of the other user. This vulnerability is fixed in 0.9.0.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | open-webui | <= 0.8.12 | 0.9.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openwebui | Open Webui | before 0.9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-gfm2-xm6c-37qc
- https://github.com/open-webui/open-webui/security/advisories/GHSA-gfm2-xm6c-37qc
- https://github.com/open-webui/open-webui/commit/cf4218e688def6f11d195aeda6665ae5b5376b67
- https://github.com/open-webui/open-webui/releases/tag/v0.9.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-45349